Swedish Solochvåra (lit. to sun-and-spring)To enter into romantic relationships with intent to take the victim's money.

https://sv.wiktionary.org/wiki/solochv%C3%A5rare From a well-known case in 1916 where a scammer put personal ads into a Stockholm newspaper under the signature 'Sol och vår' (sun and spring). The most famous solochvår'er was Gustaf Raskenstam, who defrauded over 100 women and got engaged to around 30 of them.